Monomorium concolor Zhou, 2001a: 114, 234, figs. 202, 203 (w.) CHINA (Guangxi). Indomalaya.

Primary type information: Type-material: holotype worker. Type-locality: China: Guangxi, Quanzhou County, 12.ix.1995 (S. Zhou). Type-depository: GNUC. Secondary type information: Paratype-material: 17 paratype workers. Paratype-locality: 5 paratype workers with same data as holotype, 4 paratype workers Guangxi, Xin An County, 11.ix.1995 (S. Zhou), 3 paratype workers Guangxi, Liuzhou City, 22.ix.1995 (S. Zhou), 5 paratype workers Guangxi, Huaping Natural Reserve, 8.vii.1995 (S. Zhou).